SUMMARY

The system requirements for IBM PC-DOS 5.0 Upgrade are as follows:

IBM Personal System/2 Model 25, 30, 25-286, 30-286, L40SX, 50, 50Z, 55SX, 60, 65, 70, P70, P75, 80, 90, 95, or PS/1

IBM Personal System/55 Model 5510, 5523, 5530-S/T, 5535-S, 5540-T, 5550-S/T/V, 5560-W, 5570-T/V or 5580-Y

IBM Personal Computer, Personal Computer XT, Personal Computer XT-286, Personal Computer AT, Portable Personal Computer, or PC Convertible

IBM Display or equivalent

512K of memory (minimum)

One hard disk with a previous version of DOS (version 2.1 or later) already installed

One 360K 5.25-inch floppy disk drive, or one 1.2 MB 5.25-inch floppy disk drive

The DOS versions above refer to IBM PC-DOS. The IBM Upgrade will not install over any version of MS-DOS.

The products included here (IBM) are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.